Toothbrush



FIG. 1 is a front view.

FIG. 2 is a top view.

FIG. 3 is a right side view.

FIG. 4 is a left side view.

FIG. 5 is a bottom view; and,

FIG. 6 is an isometric view.

The bristles are partially shown in FIGS. 1 and 3-6 for ease ofillustration.

The ornamental design for a toothbrush, as shown and described.